Can zebra plecos live with dwarf neon rainbowfish?

Verdict
Yes

Yes. Zebra plecos and dwarf neon rainbowfish get along in the same tank. Both are fine at 79–82°F. Plan on at least 30 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 79–82°Zebra pleco 79–88°Dwarf neon rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Zebra pleco 6–7.5Dwarf neon rainbowfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Zebra pleco · 3.5 inDwarf neon rainbowfish · 2.5 in0"1"2"3"4"5"6"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

Zebra plecoDwarf neon rainbowfish
Temperature79–88 °F75–82 °F
pH6–7.56.5–7.5
Adult size3.5 in2.5 in
Minimum tank30 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietCarnivoreOmnivore

Better tank mates for zebra plecos

All zebra pleco tank mates

Better tank mates for dwarf neon rainbowfish

All dwarf neon rainbowfish tank mates

Questions

Can zebra plecos live with dwarf neon rainbowfish?

Yes. Zebra plecos and dwarf neon rainbowfish get along in the same tank. Both are fine at 79–82°F. Plan on at least 30 gal.

What temperature suits both zebra plecos and dwarf neon rainbowfish?

79–82 °F. Zebra plecos need 79–88 °F, dwarf neon rainbowfish need 75–82 °F.

What size tank do zebra plecos and dwarf neon rainbowfish need together?

At least 30 gal, set by the zebra pleco. Add space for each extra fish.